212111120001121 has 8 divisors (see below), whose sum is σ = 233684978292288. Its totient is φ = 190919099910000.

The previous prime is 212111120001091. The next prime is 212111120001203. The reversal of 212111120001121 is 121100021111212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212111120001121 - 2¹¹ = 212111119999073 is a prime.

It is a super-2 number, since 2×212111120001121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212111120001095 and 212111120001104.

It is not an unprimeable number, because it can be changed into a prime (212111120002121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95459548845 + ... + 95459551066.

It is an arithmetic number, because the mean of its divisors is an integer number (29210622286536).

Almost surely, 2^{212111120001121} is an apocalyptic number.

It is an amenable number.

212111120001121 is a deficient number, since it is larger than the sum of its proper divisors (21573858291167).

212111120001121 is a wasteful number, since it uses less digits than its factorization.

212111120001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190919100023.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 212111120001121 its reverse (121100021111212), we get a palindrome (333211141112333).

The spelling of 212111120001121 in words is "two hundred twelve trillion, one hundred eleven billion, one hundred twenty million, one thousand, one hundred twenty-one".